Apr 06, 2026 • Leetcode
Longest Increasing Subsequence
Given an integer array nums, return the length of the longest strictly increasing subsequence.
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Apr 05, 2026 • Leetcode
Array Nesting
You are given an integer array nums of length n where nums is a permutation of the numbers in the range [0, n - 1].
Read more →Apr 04, 2026 • Leetcode
Peeking Iterator
Design an iterator that supports the peek operation on an existing iterator in addition to the hasNext and the next operations.
Read more →Apr 03, 2026 • Leetcode
Insert Interval
You are given an array of non-overlapping intervals intervals where intervals[i] = [starti, endi]
Read more →Apr 02, 2026 • Leetcode
Construct Binary Tree from Inorder and Postorder Traversal
Given two integer arrays inorder and postorder where inorder is the inorder traversal of a binary tree and postorder
Read more →Apr 01, 2026 • Leetcode
Find Minimum in Rotated Sorted Array
Suppose an array of length n sorted in ascending order is rotated between 1 and n times. For example, the array nums =
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